[PATCH v2 04/22] DynamicTablesPkg: SMBIOS Table Generator

[Sami Mujawar <sami.mujawar@arm.com>]

This patch introduces the required interfaces and definitions
for implementing a SMBIOS table generator.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
---
 DynamicTablesPkg/Include/SmbiosTableGenerator.h | 240 ++++++++++++++++++++
 1 file changed, 240 insertions(+)

diff --git a/DynamicTablesPkg/Include/SmbiosTableGenerator.h b/DynamicTablesPkg/Include/SmbiosTableGenerator.h
new file mode 100644
index 0000000000000000000000000000000000000000..82b9156ac331d93e31d4c82324a9b38311ddb848
--- /dev/null
+++ b/DynamicTablesPkg/Include/SmbiosTableGenerator.h
@@ -0,0 +1,240 @@
+/** @file
+
+  Copyright (c) 2017 - 2019, ARM Limited. All rights reserved.
+
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef SMBIOS_TABLE_GENERATOR_H_
+#define SMBIOS_TABLE_GENERATOR_H_
+
+#include <IndustryStandard/SmBios.h>
+
+#include <TableGenerator.h>
+
+#pragma pack(1)
+
+/** The SMBIOS_TABLE_GENERATOR_ID type describes SMBIOS table generator ID.
+*/
+typedef TABLE_GENERATOR_ID SMBIOS_TABLE_GENERATOR_ID;
+
+/** The ESTD_SMBIOS_TABLE_ID enum describes the SMBIOS table IDs reserved for
+  the standard generators.
+
+  NOTE: The SMBIOS Generator IDs do not match the table type numbers!
+          This allows 0 to be used to catch invalid parameters.
+*/
+typedef enum StdSmbiosTableGeneratorId {
+  EStdSmbiosTableIdReserved = 0x0000,
+  EStdSmbiosTableIdRAW,
+  EStdSmbiosTableIdType00,
+  EStdSmbiosTableIdType01,
+  EStdSmbiosTableIdType02,
+  EStdSmbiosTableIdType03,
+  EStdSmbiosTableIdType04,
+  EStdSmbiosTableIdType05,
+  EStdSmbiosTableIdType06,
+  EStdSmbiosTableIdType07,
+  EStdSmbiosTableIdType08,
+  EStdSmbiosTableIdType09,
+  EStdSmbiosTableIdType10,
+  EStdSmbiosTableIdType11,
+  EStdSmbiosTableIdType12,
+  EStdSmbiosTableIdType13,
+  EStdSmbiosTableIdType14,
+  EStdSmbiosTableIdType15,
+  EStdSmbiosTableIdType16,
+  EStdSmbiosTableIdType17,
+  EStdSmbiosTableIdType18,
+  EStdSmbiosTableIdType19,
+  EStdSmbiosTableIdType20,
+  EStdSmbiosTableIdType21,
+  EStdSmbiosTableIdType22,
+  EStdSmbiosTableIdType23,
+  EStdSmbiosTableIdType24,
+  EStdSmbiosTableIdType25,
+  EStdSmbiosTableIdType26,
+  EStdSmbiosTableIdType27,
+  EStdSmbiosTableIdType28,
+  EStdSmbiosTableIdType29,
+  EStdSmbiosTableIdType30,
+  EStdSmbiosTableIdType31,
+  EStdSmbiosTableIdType32,
+  EStdSmbiosTableIdType33,
+  EStdSmbiosTableIdType34,
+  EStdSmbiosTableIdType35,
+  EStdSmbiosTableIdType36,
+  EStdSmbiosTableIdType37,
+  EStdSmbiosTableIdType38,
+  EStdSmbiosTableIdType39,
+  EStdSmbiosTableIdType40,
+  EStdSmbiosTableIdType41,
+  EStdSmbiosTableIdType42,
+
+  // IDs 43 - 125 are reserved
+
+  EStdSmbiosTableIdType126 = (EStdSmbiosTableIdType00 + 126),
+  EStdSmbiosTableIdType127,
+  EStdSmbiosTableIdMax
+} ESTD_SMBIOS_TABLE_ID;
+
+/** This macro checks if the Table Generator ID is for an SMBIOS Table
+    Generator.
+
+  @param [in] TableGeneratorId  The table generator ID.
+
+  @return  TRUE if the table generator ID is for an SMBIOS Table
+            Generator.
+**/
+#define IS_GENERATOR_TYPE_SMBIOS(TableGeneratorId) \
+          (                                        \
+          GET_TABLE_TYPE (TableGeneratorId) ==     \
+          ETableGeneratorTypeSmbios                \
+          )
+
+/** This macro checks if the Table Generator ID is for a standard SMBIOS
+    Table Generator.
+
+  @param [in] TableGeneratorId  The table generator ID.
+
+  @return  TRUE if the table generator ID is for a standard SMBIOS
+            Table Generator.
+**/
+#define IS_VALID_STD_SMBIOS_GENERATOR_ID(TableGeneratorId)          \
+          (                                                         \
+          IS_GENERATOR_NAMESPACE_STD(TableGeneratorId) &&           \
+          IS_GENERATOR_TYPE_SMBIOS(TableGeneratorId)   &&           \
+          ((GET_TABLE_ID(GeneratorId) >= EStdSmbiosTableIdRaw) &&   \
+           (GET_TABLE_ID(GeneratorId) < EStdSmbiosTableIdMax))      \
+          )
+
+/** This macro creates a standard SMBIOS Table Generator ID.
+
+  @param [in] TableId  The table generator ID.
+
+  @return a standard SMBIOS table generator ID.
+**/
+#define CREATE_STD_SMBIOS_TABLE_GEN_ID(TableId) \
+          CREATE_TABLE_GEN_ID (                 \
+            ETableGeneratorTypeSmbios,          \
+            ETableGeneratorNameSpaceStd,        \
+            TableId                             \
+            )
+
+/** Forward declarations.
+*/
+typedef struct ConfigurationManagerProtocol EDKII_CONFIGURATION_MANAGER_PROTOCOL;
+typedef struct CmStdObjSmbiosTableInfo      CM_STD_OBJ_SMBIOS_TABLE_INFO;
+typedef struct SmbiosTableGenerator         SMBIOS_TABLE_GENERATOR;
+
+/** This function pointer describes the interface to SMBIOS table build
+    functions provided by the SMBIOS table generator and called by the
+    Table Manager to build an SMBIOS table.
+
+  @param [in]  Generator       Pointer to the SMBIOS table generator.
+  @param [in]  SmbiosTableInfo Pointer to the SMBIOS table information.
+  @param [in]  CfgMgrProtocol  Pointer to the Configuration Manager
+                               Protocol interface.
+  @param [out] Table           Pointer to the generated SMBIOS table.
+
+  @return EFI_SUCCESS  If the table is generated successfully or other
+                        failure codes as returned by the generator.
+**/
+typedef EFI_STATUS (*SMBIOS_TABLE_GENERATOR_BUILD_TABLE) (
+  IN  CONST SMBIOS_TABLE_GENERATOR                *       Generator,
+  IN        CM_STD_OBJ_SMBIOS_TABLE_INFO          * CONST SmbiosTableInfo,
+  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  * CONST CfgMgrProtocol,
+  OUT       SMBIOS_STRUCTURE                     **       Table
+  );
+
+/** This function pointer describes the interface to used by the
+    Table Manager to give the generator an opportunity to free
+    any resources allocated for building the SMBIOS table.
+
+  @param [in]  Generator       Pointer to the SMBIOS table generator.
+  @param [in]  SmbiosTableInfo Pointer to the SMBIOS table information.
+  @param [in]  CfgMgrProtocol  Pointer to the Configuration Manager
+                               Protocol interface.
+  @param [in]  Table           Pointer to the generated SMBIOS table.
+
+  @return  EFI_SUCCESS If freed successfully or other failure codes
+                        as returned by the generator.
+**/
+typedef EFI_STATUS (*SMBIOS_TABLE_GENERATOR_FREE_TABLE) (
+  IN  CONST SMBIOS_TABLE_GENERATOR                *       Generator,
+  IN  CONST CM_STD_OBJ_SMBIOS_TABLE_INFO          * CONST SmbiosTableInfo,
+  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  * CONST CfgMgrProtocol,
+  IN        SMBIOS_STRUCTURE                     **       Table
+  );
+
+/** The SMBIOS_TABLE_GENERATOR structure provides an interface that the
+    Table Manager can use to invoke the functions to build SMBIOS tables.
+*/
+typedef struct SmbiosTableGenerator {
+  /// The SMBIOS table generator ID.
+  SMBIOS_TABLE_GENERATOR_ID                GeneratorID;
+
+  /// String describing the DT table
+  /// generator.
+  CONST CHAR16*                            Description;
+
+  /// The SMBIOS table type.
+  SMBIOS_TYPE                              Type;
+
+  /// SMBIOS table build function pointer.
+  SMBIOS_TABLE_GENERATOR_BUILD_TABLE       BuildSmbiosTable;
+
+  /** The function to free any resources
+      allocated for building the SMBIOS table.
+  */
+  SMBIOS_TABLE_GENERATOR_FREE_TABLE        FreeTableResources;
+} SMBIOS_TABLE_GENERATOR;
+
+/** Register SMBIOS table factory generator.
+
+  The SMBIOS table factory maintains a list of the Standard and OEM SMBIOS
+  table generators.
+
+  @param [in]  Generator       Pointer to the SMBIOS table generator.
+
+  @retval EFI_SUCCESS           The Generator was registered
+                                successfully.
+  @retval EFI_INVALID_PARAMETER The Generator ID is invalid or
+                                the Generator pointer is NULL.
+  @retval EFI_ALREADY_STARTED   The Generator for the Table ID is
+                                already registered.
+**/
+EFI_STATUS
+EFIAPI
+RegisterSmbiosTableGenerator (
+  IN CONST SMBIOS_TABLE_GENERATOR                 * CONST Generator
+  );
+
+/** Deregister SMBIOS generator.
+
+  This function is called by the SMBIOS table generator to deregister itself
+  from the SMBIOS table factory.
+
+  @param [in]  Generator       Pointer to the SMBIOS table generator.
+
+  @retval EFI_SUCCESS           Success.
+  @retval EFI_INVALID_PARAMETER The generator is invalid.
+  @retval EFI_NOT_FOUND         The requested generator is not found
+                                in the list of registered generators.
+**/
+EFI_STATUS
+EFIAPI
+DeregisterSmbiosTableGenerator (
+  IN CONST SMBIOS_TABLE_GENERATOR                 * CONST Generator
+  );
+#pragma pack()
+
+#endif // SMBIOS_TABLE_GENERATOR_H_
+
-- 
'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'